Val Pak Generic Am Products Commander 1 4" Air Relief Valve (V38 115) adhesives while the 240V configuration helps while the 240V configuration helps preserve the electrical environment the original setup expected A missing or unreliable secondary control point makes the spa less intuitive to use and can take away some of the comfort of having functions available closer to the seating area The Val Pak generic American Products Commander 1 4 inch air relief valve is designed for compatible filter applications where controlled release of trapped air is necessary for proper service and operation Restores a key control point in the filter assembly